Commit | Line | Data |
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9d06555c HPN |
1 | # This is for embedded products (no MMU) with ELF. |
2 | MACHINE= | |
3 | SCRIPT_NAME=elf | |
4 | TEMPLATE_NAME=elf32 | |
24dd9f75 HPN |
5 | |
6 | # Symbols have underscore prepended. | |
7 | OUTPUT_FORMAT="elf32-us-cris" | |
9d06555c HPN |
8 | ARCH=cris |
9 | MAXPAGESIZE=32 | |
24dd9f75 | 10 | ENTRY=__start |
9d06555c HPN |
11 | EMBEDDED=yes |
12 | ALIGNMENT=32 | |
13 | TEXT_START_ADDR=0 | |
14 | ||
15 | # Put crt0 for flash/eprom etc. in this section. | |
24dd9f75 | 16 | INITIAL_READONLY_SECTIONS='.startup : { KEEP(*(.startup)) }' |
9d06555c | 17 | |
589bad82 HPN |
18 | # Setting __Stext to . in TEXT_START_SYMBOLS doesn't get what we want |
19 | # most of the time, which is the start of all read-only sections; | |
20 | # there's at least .startup and .init before it. We have to resort to | |
21 | # trickery. Note that __Stext is always defined, not PROVIDE:d, since | |
22 | # external tools look for it. | |
23 | TEXT_START_SYMBOLS='__Stext = ADDR (.startup);' | |
24 | ||
24dd9f75 HPN |
25 | # The __start dance is to get us through assumptions about entry |
26 | # symbols, and to clear _start for normal use with sane programs. | |
27 | EXECUTABLE_SYMBOLS=' | |
24dd9f75 HPN |
28 | __start = DEFINED(__start) ? __start : |
29 | DEFINED(_start) ? _start : | |
30 | DEFINED(start) ? start : | |
31 | DEFINED(.startup) ? .startup + 2 : 2; | |
32 | ' | |
9d06555c HPN |
33 | |
34 | # Smuggle an "OTHER_TEXT_END_SYMBOLS" here. | |
35 | OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);' | |
36 | DATA_START_SYMBOLS='PROVIDE (__Sdata = .);' | |
37 | ||
38 | # Smuggle an "OTHER_DATA_END_SYMBOLS" here. | |
5253f23b | 39 | OTHER_SDATA_SECTIONS='PROVIDE (__Edata = .);' |
9d06555c HPN |
40 | |
41 | # If .bss does not immediately follow .data but has its own start | |
42 | # address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we | |
43 | # use ADDR(.bss) there. Instead, we use the symbol support for the | |
44 | # end symbol. | |
45 | OTHER_BSS_END_SYMBOLS=' | |
46 | PROVIDE (__Ebss = .); | |
47 | PROVIDE (__end = .); | |
48 | __Sbss = SIZEOF (.sbss) != 0 ? ADDR (.sbss) : ADDR (.bss); | |
49 | PROVIDE (_bss_start = __Sbss); | |
50 | ' | |
51 | ||
52 | INIT_START=' | |
53 | . = ALIGN(2); | |
54 | ___init__start = .; | |
55 | PROVIDE (___do_global_ctors = .); | |
56 | SHORT (0xe1fc); /* push srp */ | |
57 | SHORT (0xbe7e); | |
58 | ' | |
59 | ||
60 | INIT_END=' | |
61 | SHORT (0x0d3e); /* jump [sp+] */ | |
62 | PROVIDE (__init__end = .); | |
63 | PROVIDE (___init__end = .); | |
64 | ' | |
65 | ||
66 | FINI_START=' | |
67 | . = ALIGN (2); | |
68 | ___fini__start = .; | |
69 | PROVIDE (___do_global_dtors = .); | |
70 | SHORT (0xe1fc); /* push srp */ | |
71 | SHORT (0xbe7e); | |
72 | ' | |
73 | ||
74 | FINI_END=' | |
75 | SHORT (0x0d3e); /* jump [sp+] */ | |
76 | PROVIDE (__fini__end = .); | |
77 | ___fini__end = .; | |
78 | ' | |
79 | ||
80 | CTOR_START=' | |
81 | PROVIDE (___ctors = .); | |
82 | ___elf_ctors_dtors_begin = .; | |
83 | ' | |
84 | ||
85 | CTOR_END=' | |
86 | PROVIDE (___ctors_end = .); | |
87 | ' | |
88 | ||
89 | DTOR_START=' | |
90 | PROVIDE (___dtors = .); | |
91 | ' | |
92 | ||
93 | CTOR_END=' | |
94 | PROVIDE (___dtors_end = .); | |
95 | ___elf_ctors_dtors_end = .; | |
96 | ' | |
97 | ||
98 | ||
99 | # Smuggle an "OTHER_ALL_END_SYMBOLS" here. | |
100 | # Also add the other symbols provided for rsim/xsim and elinux. | |
101 | OTHER_RELOCATING_SECTIONS=' | |
102 | PROVIDE (__Eall = .); | |
103 | PROVIDE (__Endmem = 0x10000000); | |
104 | PROVIDE (__Stacksize = 0); | |
105 | ' |